export interface ReqCodeLink {
    /** 需求来源文件 */
    sourceFile: string;
    /** 需求标题/关键词 */
    requirement: string;
    /** 关联的代码节点 ID */
    linkedNodeIds: string[];
    /** 关联强度 0-1 */
    confidence: number;
    /** 匹配的关键词 */
    matchedKeywords: string[];
}
export interface ReqCodeLinkReport {
    generatedAt: string;
    iteration?: string;
    totalRequirements: number;
    totalLinkedNodes: number;
    coverageRatio: number;
    links: ReqCodeLink[];
}
/**
 * 建立需求与代码的关联映射
 */
export declare function linkRequirementsToCode(projectRoot?: string, iteration?: string): Promise<ReqCodeLinkReport>;
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